deref it once

Bounding_volumes/include/CGAL/Rectangular_p_center_traits_2.h

@@ -290,7 +290,7 @@ bounding_box_2(ForwardIterator f, ForwardIterator l, const Traits& t)
   return rect(v(rect(*xmin, *ymin), 0), v(rect(*xmax, *ymax), 2));
 } // bounding_box_2(f, l, t)
 template < class ForwardIterator >
-inline 
+inline
 //typename std::iterator_traits< ForwardIterator >::value_type::R::Iso_rectangle_2
 decltype(auto)
 bounding_box_2(ForwardIterator f, ForwardIterator l)

Convex_hull_2/examples/Convex_hull_2/ch_graham_anderson.cpp

@@ -22,7 +22,8 @@ ch_graham_anderson( InputIterator  first, InputIterator  beyond,
   std::vector< Point_2 >  V (first, beyond);
   typename std::vector< Point_2 >::iterator it =
                std::min_element(V.begin(), V.end(), Less_xy_2());
-  std::sort( V.begin(), V.end(), [it](const Point_2& p1, const Point_2& p2){return Less_rotate_ccw_2()(*it, p1, p2);} );
+  const Point_2 p = *it;
+  std::sort( V.begin(), V.end(), [&p](const Point_2& p1, const Point_2& p2){return Less_rotate_ccw_2()(p, p1, p2);} );
   if ( *(V.begin()) != *(V.rbegin()) )
   {
     result = CGAL::ch_graham_andrew_scan( V.begin(), V.end(), result, ch_traits);

STL_Extension/include/CGAL/function_objects.h

@@ -376,7 +376,6 @@ protected:
   Op2 op2;
   Op3 op3;
 public:
- 
 
   Binary_compose_1(const Op1& x, const Op2& y, const Op3& z)
   : op1(x), op2(y), op3(z) {}